Ergonomic collapsible chair



FIG. 1 is a top perspective view of the ergonomic collapsible chair;

FIG. 2 is a bottom perspective view of the ergonomic collapsible chair;

FIG. 3 is a front elevation view of the ergonomic collapsible chair;

FIG. 4 is a rear elevation view of the ergonomic collapsible chair;

FIG. 5 is a right side elevation view of the ergonomic collapsible chair;

FIG. 6 is a left side elevation view of the ergonomic collapsible chair;

FIG. 7 is a top plan view of the ergonomic collapsible chair; and,

FIG. 8 is a bottom plan view of the ergonomic collapsible chair. 

CLAIM The ornamental design for an ergonomic collapsible chair, as shown and described. 